The building blocks of proteins are _____

a). vitamins

b), minerals

c), amino acids

d). fats

__________ are nutrients that are not made by living things 

A person who does more physical activity has (more / less) energy needs and should eat (more / less) calories. 

The amount of nutrients you need each day can be found in the 

a). serving size

b). MyPyramid Plan

c). Calories

d). Dietary Reference Intake

The _________ on two food labels show which food has more iron

Mechanical digestion begins in the _____

a). Liver

b). Mouth

c). Esophagus

d). Small Intestine

____________ is the involuntary contraction of muscles that pushes food forward

How does mucus affect food in the digestive system? 

Bile is produced by the ____

a). liver

b). gallbladder

c). pancreas

d). small intestine

Most of the materials are absorbed into the blood in the _________ intestine

As material moves through the large intestine, water is absorbed into the bloodstream. The remaining material is ready for __________ from the body 

What are the six nutrients your body requires to be healthy? 

Most _____________ and the absorption of nutrients takes place in the small intestine

a). mechanical digestion

b). chemical digestion

c). elimination

d). Glucose

Your mouth, _______, and stomach are the organs in which mechanical digestion is completed and chemical digestion begins. 

What are the three main functions of the digestive system?

The flap of skin that prevents food and water from accidentally going down your windpipe is called the __________

According to the Food Pyramid, which group should be eaten in very limited amounts?

a.  grains such as wheat, rice, and oats

b.  vegetables

c.  milk, yogurt, and cheese

d.  fats and oils

What structures increase the area of the small intestine and enable it to absorb large amounts of nutrients?

a.  villi                                                 c.  liver

b.  pancreas                                          d.  gallbladder

Which process takes place in the large intestine?

a.  Water is added to undigested food.

b.  Water is absorbed from undigested food.

c.  Digested nutrients are absorbed through the villi.

d.  Enzymes are added to complete chemical digestion.

Explain how your mouth helps to digest food.

What is organ A?

What is organ B?

What is organ G? 

Explain how the liver and pancreas function in the digestion of food.

Where in the digestive system does the absorption of nutrients take place? 

________ is the major source of energy of your body's cells

a). fats

b). proteins

c). glucose

d). pancreas

Identify three reasons your body needs food. 

c). amino acids 

Minerals

More, more 

d). Dietary Reference Intake 

Percent Daily Values

b). Mouth

Peristalsis

Mucus makes food move easily and protects the stomach lining cells from stomach acid.

a). liver

small 

elimination 

Fats, vitamins, minerals, carbohydrates, protein, and water 

a). chemical digestion

esophagus 

digestion, absorption, and elimination. 

epiglottis

d). fats and oils

a). villi

b). Water is absorbed from undigested food 

Your mouth crushes, tears, and rips food into small pieces so that it can be swallowed. Your mouth produces saliva and covers the food with saliva so that it is easier to chew and swallow. 

A = esophagus

B = stomach

G = Liver

The liver makes bile. The pancreas makes enzymes. 

the small intestine 

c). glucose

Your body needs food to grow, to repair tissues, and to have energy.